Avro 531 Spider1918 |
FIGHTER | Virtual Aircraft Museum / United Kingdom / Avro |
An unsponsored private-venture single-seat fighter designed by Roy Chadwick and flown for the first time in April 1918, the Spider made use of a number of Avro 504 components and had a fabric-covered wooden structure with a system of Warren-girder steel-tube interplane struts. The upper wing was mounted close to the fuselage and directly above the cockpit. In its original form, the Spider was powered by a 110hp Le Rhone 9J nine-cylinder rotary engine, and proved to possess exceptional manoeuvrability, but overall performance was not sufficiently in advance of the contemporary Sopwith Camel to warrant quantity production. Armament comprised one fixed synchronised 7.7mm Vickers machine gun, and a 130hp Clerget 9B rotary was later fitted, the following details relating to the Spider fitted with this power plant.
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